Shoulder posture and localized muscle fatigue and discomfort

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      <subfield code="a">In many industries workers performs manual assembly tasks with hand postured above the shoulders. Awkward shoulder and arm postures are often viewed as acceptable given costs of workplace modification, postural exertions which are in compliance with current design recommendations, ready availability of strong workers, and numbers of electromyographic studies which fail to detect significant signs to localized muscle fatigue</subfield>
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      <subfield code="t">Ergonomics</subfield>
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      <subfield code="g">Vol. 32, nº 2, February 1989 ; p. 211-237</subfield>
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